Electricity Review

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• decreases;directly
• decreases;inversely
• increases;inversely
• increases;directly

Tags

NGSS.HS-PS2-4

What variable is a Coulomb the unit for?

• Charge
• Force
• Distance
• Mass

Tags

NGSS.HS-PS2-4

What happens to the force between two charged objects when you double the distance between them?

• 2X
• 1/2X
• 4X
• 1/4X

Tags

NGSS.HS-PS2-4

A material in which electrons are not able to move easily 

• Circuit 
• Insulator 
• Resistance 
• Conductor

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

Tags

NGSS.HS-PS1-3

The plastic covering is there to:

• Provide a conductor for electrical energy to flow.
• Provide an insulator so that electrical energy will not pass outside of the wires.
• Provide a conductor so that electrical energy can NOT flow.
• Provide an insulator so that electrical energy can flow.

Tags

NGSS.HS-PS3-5

How do electrons differ from protons?

• They are the same thing
• Electrons hold a negative charge and protons hold a positive charge.
• Electrons are positively charged and protons are negatively charged.
• Protons are neutral 

What happens to the force between two charged objects if you double the distance between them and double the magnitude of one charge?

• 4X
• 6X
• 1/2X
• 1/6X

Tags

NGSS.HS-PS2-4

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is voltage measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)